3693940
Friction Enhancing Shim
Cummins®

AVAILABLE

Cummins®

2 are currently available

Ships within 2-4 business days

$39.95 $47.54

This truck part is made by Cummins®. We guarantee that all of our parts are from the OEM (original equipment manufacturer), ensuring a proper fit and quality manufacturing.


DESCRIPTION

The Friction Enhancing Shim 3693940, manufactured by Cummins, is a specialized component designed for use in commercial trucks. Cummins, a well-established name in the automotive industry, produces a range of high-quality parts aimed at enhancing the performance and reliability of commercial vehicles. Shims, in general, are thin washers or spacers used in mechanical systems to fill small gaps, adjust clearances, or provide additional friction. The 3693940 Friction Enhancing Shim is specifically engineered to improve the operational efficiency of truck components by optimizing friction levels 1.

Basic Concepts of Friction Enhancing Shims

Friction enhancing shims are designed to increase the friction between two surfaces within a mechanical system. This is achieved through their material composition and surface texture, which are tailored to create a higher coefficient of friction compared to standard shims 2. In the automotive industry, these shims are used to fine-tune the performance of various components, ensuring they operate within optimal parameters. By adjusting friction levels, these shims can help in reducing wear, improving efficiency, and enhancing the overall performance of mechanical systems.

Purpose of the 3693940 Friction Enhancing Shim

The 3693940 Friction Enhancing Shim plays a specific role in the operation of commercial trucks by optimizing the friction between moving parts. This optimization contributes to the efficiency and performance of truck components by ensuring that parts move smoothly yet remain securely in place. The shim helps in maintaining the correct clearances and alignments, which are crucial for the reliable operation of mechanical systems. By enhancing friction, it aids in preventing excessive movement or play in components, which can lead to wear and reduced performance over time 3.

Key Features

The 3693940 Friction Enhancing Shim boasts several key features that set it apart from standard shims. It is composed of a high-quality material that offers durability and resistance to wear. The design of the shim includes a textured surface that increases its friction properties, ensuring a secure fit between components. Additionally, the shim is engineered to precise specifications, guaranteeing compatibility with a wide range of truck models. Its unique characteristics make it an invaluable component for maintaining the performance and longevity of commercial truck parts.

Benefits

Utilizing the 3693940 Friction Enhancing Shim in truck maintenance and operation offers several benefits. It contributes to improved performance by ensuring components operate within optimal friction levels. This can lead to enhanced efficiency and reduced wear on parts, ultimately extending their lifespan. Moreover, the use of this shim can be cost-effective in the long run, as it helps prevent premature failure of components, reducing the need for frequent replacements or repairs.

Installation Process

Proper installation of the 3693940 Friction Enhancing Shim is vital for achieving optimal performance and safety. The installation process involves carefully placing the shim between the components it is designed to adjust. It is important to ensure that the shim is correctly aligned and securely in place to avoid any movement that could lead to wear or failure. Following the manufacturer’s guidelines for installation is recommended to ensure the shim functions as intended.

Troubleshooting Common Issues

Common problems associated with friction enhancing shims can include wear, misalignment, or failure to enhance friction as intended. Troubleshooting these issues involves inspecting the shim for signs of wear or damage, ensuring it is correctly installed, and verifying that it is the appropriate size and type for the application. Addressing these issues promptly can help maintain the performance and safety of the truck’s components.

Maintenance Tips

Regular maintenance of the 3693940 Friction Enhancing Shim is important for ensuring its longevity and optimal performance. This includes periodic inspection for signs of wear or damage, cleaning the shim to remove any debris that could affect its friction properties, and replacing it as necessary. Adhering to a scheduled maintenance plan can help identify potential issues before they lead to component failure, ensuring the continued reliability of the truck’s mechanical systems.

Cummins: A Brief Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions, including engines, filtration, and emissions control technologies. With a strong reputation in the commercial truck industry, Cummins is known for its commitment to quality, innovation, and customer satisfaction. The company’s extensive product range and focus on technological advancement make it a trusted name among professionals in the automotive sector.

Friction Enhancing Shim 3693940 Compatibility with Cummins Engines

The Friction Enhancing Shim part number 3693940, manufactured by Cummins, is designed to fit a variety of Cummins engines. This shim is crucial for ensuring optimal performance and longevity of the engine by reducing friction between moving parts. Below is a detailed description of the engines with which this shim is compatible:

Compatible Engines

  • 15N CM2380 M104B
  • ISG11 CM2880 G108
  • ISG12 CM2880 G107
  • ISG12 G CMOH6.0 G111
  • QSG12 CM2880 G112
  • QSG12/X12 CM2350 G110
  • X11 CM2670 X126B
  • X12 CM2350 X119B
  • X12 CM2670 X121B
  • X12N CMMDG1 X143B
  • X13 CM2670 X122B
  • Z14 CM2670 Z103B

Grouping of Compatible Engines

The engines listed above can be grouped based on their model and series for better understanding of their compatibility with the Friction Enhancing Shim 3693940:

  • CM2380 Series:

    • 15N CM2380 M104B
    • X12 CM2350 X119B
    • QSG12/X12 CM2350 G110
  • CM2670 Series:

    • X11 CM2670 X126B
    • X12 CM2670 X121B
    • X13 CM2670 X122B
    • Z14 CM2670 Z103B
  • CM2880 Series:

    • ISG11 CM2880 G108
    • ISG12 CM2880 G107
    • ISG12 G CMOH6.0 G111
    • QSG12 CM2880 G112
  • CMMDG1 Series:

    • X12N CMMDG1 X143B

This shim is engineered to fit seamlessly within the specified engines, ensuring that the friction between critical components is minimized. This reduction in friction helps maintain the efficiency and reliability of the engine, ultimately contributing to its overall performance and lifespan.

Role of Part 3693940 Friction Enhancing Shim in Engine Components

The Part 3693940 Friction Enhancing Shim is instrumental in optimizing the performance and efficiency of several key engine components.

Block

In the engine block, the Friction Enhancing Shim works to reduce the friction between moving parts. By minimizing friction, it helps in maintaining the integrity of the block’s surfaces, ensuring smoother operation and potentially extending the lifespan of the block. This is particularly important in high-stress areas where metal-to-metal contact is frequent.

Cylinder

Within the cylinder, the shim plays a significant role in enhancing the interaction between the piston rings and the cylinder walls. By reducing friction, it aids in more efficient combustion processes and better fuel economy. Additionally, it helps in maintaining consistent cylinder pressure, which is vital for the engine’s overall performance.

Engine Crankshaft

The crankshaft benefits from the Friction Enhancing Shim by experiencing reduced wear and tear on its journals and bearings. This reduction in friction leads to more efficient energy transfer from the pistons to the crankshaft, resulting in improved engine efficiency and reliability. The shim also contributes to maintaining the crankshaft’s alignment and balance, which are essential for smooth engine operation.

Conclusion

In summary, the Part 3693940 Friction Enhancing Shim is a valuable component in enhancing the functionality and durability of the engine block, cylinder, and crankshaft. Its application leads to improved engine performance, reduced maintenance needs, and increased overall efficiency.


  1. Bell, Joseph A. Modern Diesel Technology Electricity Electronics. Delmar Cengage Learning, 2014.

  2. Limpert, Rudolf. Brake Design and Safety, Third Edition. SAE International, 2011.

  3. Singh, D. K. Dictionary of Mechanical Engineering. Springer Nature, 2024.

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SPECIFICATIONS

Package Dimensions
20.0 x 17.0 x 0.2 in
Weight
0.003 lb
* This information is provided as is and may be out of date. Please contact us or the manufacturer to verify warranty coverage.
* Variable geometry turbocharger and electronic actuator repairs are not eligible to be claimed as over-the-counter under New or ReCon parts warranty for parts installed after October 1, 2018.
* Diesel Oxidation Catalyst (DOC), Diesel Particulate Filter (DPF), Selective Catalyst Reduction (SCR) catalyst, and Electronic Control Module (ECM) repairs are not eligible to be claimed as over-the-counter under New or ReCon parts warranty for parts installed after January 1, 2020.
* These restrictions are only applicable to New parts and ReCon parts coverages for the components listed above sold to a customer in the US or Canada. All other coverages are excluded. All other regions are excluded.